John Muir Technical High School of Pasadena, California 1936 school year book. The yearbook belonged to Worthy Blaisdell, who was a tackle and teammate of Robinson on the football team. It has been signed by Jackie Robinson five times. On page 119 with the football players Robinson has signed "Worthy I hope you make All Southern California tackle next year. You are by far the best tackle in our league right now. Good luck Worthy, Jack Robinson." On page 122 Robinson the signed picture of him in action playing basketball. One page 123 Robinson signed his name by his portrait shot with other basketball team members. On page 129 Robinson signed by the baseball team photo "To a very fine baseball player and manager Worthy, Jack Robinson." On page 133 his signature is by Robinson's track photo. LOA/James Spence Authentication.